# GitHub — HydraFusion updates and new Max option

- Company: GitHub (github.com)
- Announced: 2026-10-14T20:01:35+00:00
- Category: capability-change
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://github.blog/changelog/2026-10-14-hydrafusion-updates-and-new-max-option
- Record: https://forck.live/items/22404-hydrafusion-updates-and-new-max-option
- Subject: Copilot
- Models affected: HydraFusion, HydraFusion Max

GitHub updated HydraFusion with an expanded model pool including Claude Opus 5.5, GPT-6 Astra, GPT-6.1 Sol, and GPT-6 Luna, improved orchestration workflows (tailored reasoning effort, cascade with judging step, critique using tools and parallel critics), and introduced HydraFusion Max, a tier tuned for frontier capability on more demanding tasks. Both remain in research preview and are available across VS Code, the GitHub Copilot app, and GitHub Copilot CLI on Copilot Pro, Pro+, Business, and Enterprise plans with experimental or preview features enabled.

## Evidence

Verbatim from https://github.blog/changelog/2026-10-14-hydrafusion-updates-and-new-max-option:

> HydraFusion and HydraFusion Max draw from a pool that now includes Claude Opus 5.5, GPT-6 Astra, GPT-6.1 Sol, and GPT-6 Luna.

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Record: https://forck.live/items/22404-hydrafusion-updates-and-new-max-option
Catalogue: https://forck.live/llms.txt
Current issue: https://forck.live/feed.md